Subtract 20/70 from 9/6, Solve 1 3/6

Subtract 20/70 from 9/6

1^st number: 1 3/6, 2^nd number: 20/70

9/6 - 20/70 is 17/14.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
9/6 = 9 × 35/6 × 35 = 315/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210
Subtract the two like fractions:
315/210 - 60/210 = 315 - 60/210 = 255/210
After reducing the fraction, the answer is 17/14
In mixed form: 13/14

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